1 - 1.7 meters
Similar to humans, with long arms and a hunched posture
9-15 inches
Compact and muscular
1.5 to 2.1 meters (5 to 7 feet)
Low elongate
1.2 to 1.5 meters
Elongated and slender
9-13 inches
Small to medium-sized
75-100 cm
Large, elongated body with a long neck and legs
Up to 7 meters (23 feet)
Elongated and cylindrical
18-20 inches (45-51 cm)
Medium-sized with loose, wrinkled skin
80 to 130 cm
Small and stocky with short legs
2-3 feet
Streamlined and torpedo-shaped
Up to 1.8 meters (5.9 feet)
55-70 cm (22-28 in)
Slender, streamlined
Varies; typically 9-16 inches
Small to medium-sized; muscular
7-10 inches
Small, slender body with a bushy tail
8-18 inches
12-14 cm
Small, slender
Up to 30 cm
Flattened, oval-shaped
8 to 12 inches
Small and compact